The Conversation

Humans and animals can both think logically − but testing what kind of logic they’re using is tricky

Written by Olga Lazareva, Professor of Psychology, Drake University

For some mental processes, humans and animals likely follow similar lines of thinking.Catherine Falls Commercial/Moment via Getty Images

Can a monkey, a pigeon or a fish reason like a person? It’s a question scientists have been testing in increasingly creative ways – and what we’ve found so far paints a more complicated picture...

Mexican flags flown during immigration protests bother white people a lot more than other Americans

Written by Edward D. Vargas, Associate Professor, School of Transborder Studies, Arizona State University

Protesters wave the Mexican flag in Los Angeles on June 9, 2025.Luke Johnson/Los Angeles Times via Getty Images

Agents with U.S. Immigration and Customs Enforcement conducted a series of raids throughout Los Angeles and Southern California in early June 2025, sparking protests in downtown Los Angeles and other cities, including New York, Chicago an...

Keeping brain-dead pregnant women on life support raises ethical issues that go beyond abortion politics

Written by Lindsey Breitwieser, Assistant Professor of Gender & Women's Studies, Hollins University

Laws such as Georgia's LIFE Act can complicate ethical and legal decision-making in postmortem pregnancy. Darya Komarova/Moment via Getty Images

Adriana Smith, a 30-year-old woman from Georgia who had been declared brain-dead in February 2025, spent 16 weeks on life support while doctors worked to keep her body functioning well enough to support...

In LGBTQ+ storybook case, Supreme Court handed a win to parental rights, raising tough questions for educators

Written by Charles J. Russo, Joseph Panzer Chair in Education and Research Professor of Law, University of Dayton

The parents who brought the case had requested that their children be excused when books with LGBTQ+ characters were used in class.SDI Productions/E+ via Getty Images

The Supreme Court tends to save its blockbuster orders for the last day of the term – and 2025 was no exception.

Among the important decisions handed down June 27, 2025, was Mah...

Pop, soda or coke? The fizzy history behind America’s favorite linguistic debate

Written by Valerie M. Fridland, Professor of Linguistics, University of Nevada, Reno

'I'll have a coke – no, not Coca-Cola, Sprite.'Justin Sullivan/Getty Images

With burgers sizzling and classic rock thumping, many Americans revel in summer cookouts – at least until that wayward cousin asks for a “pop” in soda country, or even worse, a “coke” when they actually want a Sprite.

Few American...

The hidden cost of convenience: How your data pulls in hundreds of billions of dollars for app and social media companies

Written by Kassem Fawaz, Associate Professor of Electrical and Computer Engineering, University of Wisconsin-Madison

Many apps and social media platforms collect detailed information about you as you use them, and sometimes even when you're not using them.Malte Mueller/fStop via Getty images

You wake up in the morning and, first thing, you open your weather app. You close that pesky ad that opens first and check the forecast. You like your weather app, which...

Why the US bombed a bunch of metal tubes − a nuclear engineer explains the importance of centrifuges to Iranian efforts to build nuclear weapons

Written by Anna Erickson, Professor of Nuclear and Radiological Engineering, Georgia Institute of Technology

An image from Iranian television shows centrifuges lining a hall at Iran's Natanz uranium enrichment facility in 2021.IRIB via APPEAR

When U.S. forces attacked Iran’s nuclear facilities on June 21, 2025, the main target was metal tubes in laboratories deep underground. The tubes are centrifuges that produce highly enriched uranium needed to...

Bill Moyers’ journalism strengthened democracy by connecting Americans to ideas and each other, in a long and extraordinary career

Written by Julie Leininger Pycior, Professor of History Emeritus, Manhattan University

“Bill Moyers? He’s spectacular!” George Clooney said – and no wonder.

I mentioned this legendary television journalist to the actor and filmmaker after Clooney emerged from the Broadway theater where he just had been portraying another news icon: Edward R. Murrow. Or as the Museum of Broadcast Communications put it in a...

Invasive carp threaten the Great Lakes − and reveal a surprising twist in national politics

Written by Mike Shriberg, Professor of Practice & Engagement, School for Environment & Sustainability, University of Michigan

Invasive Asian carp are spreading up the Mississippi River system and already clog the Illinois River.AP Photo/John Flesher

In his second term, President Donald Trump has not taken many actions that draw near-universal praise from across the political spectrum. But there is at least one of these political anomalies, and it illustrates the broad...

1 in 4 Americans reject evolution, a century after the Scopes monkey trial spotlighted the clash between science and religion

Written by William Trollinger, Professor of History, University of Dayton

The 1925 Scopes trial, in which a Dayton, Tennessee, teacher was charged with violating state law by teaching biological evolution, was one of the earliest and most iconic conflicts in America’s ongoing culture war.

Charles Darwin’s “Origin of Species,” published in 1859, and subsequent scientific research made the case that...